1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
# frozen_string_literal: true
module Gitlab
class TreeSummary
include ::Gitlab::Utils::StrongMemoize
attr_reader :commit, :project, :path, :offset, :limit
attr_reader :resolved_commits
private :resolved_commits
def initialize(commit, project, params = {})
@commit = commit
@project = project
@path = params.fetch(:path, nil).presence
@offset = params.fetch(:offset, 0).to_i
@limit = (params.fetch(:limit, 25) || 25).to_i
# Ensure that if multiple tree entries share the same last commit, they share
# a ::Commit instance. This prevents us from rendering the same commit title
# multiple times
@resolved_commits = {}
end
# Creates a summary of the tree entries for a commit, within the window of
# entries defined by the offset and limit parameters. This consists of two
# return values:
#
# - An Array of Hashes containing the following keys:
# - file_name: The full path of the tree entry
# - type: One of :blob, :tree, or :submodule
# - commit: The last ::Commit to touch this entry in the tree
# - commit_path: URI of the commit in the web interface
# - An Array of the unique ::Commit objects in the first value
def summarize
summary = contents
.map { |content| build_entry(content) }
.tap { |summary| fill_last_commits!(summary) }
[summary, commits]
end
# Does the tree contain more entries after the given offset + limit?
def more?
all_contents[next_offset].present?
end
# The offset of the next batch of tree entries. If more? returns false, this
# batch will be empty
def next_offset
[all_contents.size + 1, offset + limit].min
end
private
def contents
all_contents[offset, limit]
end
def commits
resolved_commits.values
end
def repository
project.repository
end
def entry_path(entry)
File.join(*[path, entry[:file_name]].compact)
end
def build_entry(entry)
{ file_name: entry.name, type: entry.type }
end
def fill_last_commits!(entries)
# Ensure the path is in "path/" format
ensured_path =
if path
File.join(*[path, ""])
end
commits_hsh = repository.list_last_commits_for_tree(commit.id, ensured_path, offset: offset, limit: limit)
entries.each do |entry|
path_key = entry_path(entry)
commit = cache_commit(commits_hsh[path_key])
if commit
entry[:commit] = commit
entry[:commit_path] = commit_path(commit)
end
end
end
def cache_commit(commit)
return nil unless commit.present?
resolved_commits[commit.id] ||= commit
end
def commit_path(commit)
Gitlab::Routing.url_helpers.project_commit_path(project, commit)
end
def all_contents
strong_memoize(:all_contents) do
[
*tree.trees,
*tree.blobs,
*tree.submodules
]
end
end
def tree
strong_memoize(:tree) { repository.tree(commit.id, path) }
end
end
end
|
